1000025102042 has 8 divisors (see below), whose sum is σ = 1500045121332. Its totient is φ = 500010061600.

The previous prime is 1000025102023. The next prime is 1000025102093. The reversal of 1000025102042 is 2402015200001.

It can be written as a sum of positive squares in 2 ways, for example, as 996385272481 + 3639829561 = 998191^2 + 60331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1000025102042² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000025102042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693809 + ... + 1575252.

Almost surely, 2^{1000025102042} is an apocalyptic number.

1000025102042 is a deficient number, since it is larger than the sum of its proper divisors (500020019290).

1000025102042 is a wasteful number, since it uses less digits than its factorization.

1000025102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489424.

The product of its (nonzero) digits is 160, while the sum is 17.

The spelling of 1000025102042 in words is "one trillion, twenty-five million, one hundred two thousand, forty-two".